Year | Value | 2022 | 307,071,177 | 2021 | 311,123,928 | 2020 | 314,564,960 | 2019 | 317,101,237 | 2018 | 318,803,991 | 2017 | 319,556,411 | 2016 | 319,136,403 | 2015 | 318,112,288 | 2014 | 316,718,296 | 2013 | 314,668,996 | 2012 | 311,788,263 | 2011 | 308,493,877 | 2010 | 305,360,478 | 2009 | 302,183,374 | 2008 | 298,964,540 | 2007 | 296,128,648 | 2006 | 293,970,546 | 2005 | 292,274,679 | 2004 | 290,445,043 | 2003 | 288,434,408 | 2002 | 286,648,290 | 2001 | 285,175,113 | 2000 | 284,111,229 | 1999 | 283,662,752 | 1998 | 283,792,162 | 1997 | 284,127,934 | 1996 | 284,765,718 | 1995 | 286,706,262 | 1994 | 289,393,441 | 1993 | 291,307,631 | 1992 | 292,805,336 | 1991 | 293,534,536 | 1990 | 291,577,655 | 1989 | 287,303,478 | 1988 | 282,716,483 | 1987 | 277,981,985 | 1986 | 273,082,086 | 1985 | 268,078,154 | 1984 | 263,132,203 | 1983 | 257,993,465 | 1982 | 252,085,888 | 1981 | 246,522,022 | 1980 | 242,572,807 | 1979 | 240,017,566 | 1978 | 239,127,063 | 1977 | 239,354,114 | 1976 | 239,614,985 | 1975 | 239,808,314 | 1974 | 239,429,248 | 1973 | 238,024,870 | 1972 | 235,230,412 | 1971 | 231,597,253 | 1970 | 227,966,430 | 1969 | 224,432,126 | 1968 | 221,759,494 | 1967 | 219,212,781 | 1966 | 213,503,856 | 1965 | 205,134,037 | 1964 | 196,967,737 | 1963 | 188,702,131 | 1962 | 182,395,502 | 1961 | 180,859,505 | 1960 | 182,542,085 |
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